19158995

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1966

約数の個数: 16

約数和(自身を含む): 24131520

約数和(自身を除く): 4972525

約数列:

[1, 5, 29, 71, 145, 355, 1861, 2059, 9305, 10295, 53969, 132131, 269845, 660655, 3831799, 19158995]

約数ペア:

[(1, 19158995), (5, 3831799), (29, 660655), (71, 269845), (145, 132131), (355, 53969), (1861, 10295), (2059, 9305)]